Home / 117,619.10-162,311.55-63,902.90

Finding the Fourth Proportional to 117,619.10, 162,311.55 and 63,902.90

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Solution

The fourth proportional to 117,619.10, 162,311.55 and 63,902.90 is: 88,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.10 : 162,311.55 = 63,902.90 : x
  2. Step 2: Convert to fraction form
    117,619.10/162,311.55 = 63,902.90/x
  3. Step 3: Cross multiply
    117,619.10x = 162,311.55 × 63,902.90
  4. Step 4: Simplify right side
    117,619.10x = 10,372,178,748.50
  5. Step 5: Solve for x
    x = 10,372,178,748.50/117,619.10
  6. Step 6: Final answer
    x = 88,184.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.